96-07 GM gas programmer
 

I bought this thinking i was going to be driving a 1/2 ton GMC, i ended up with a 3500 cummins lmao. Its a hypertech max energy, i paid over $400 for it and never evan hooked it up. Id let it go for $300 OBO. Thanks guys

I dont think ill sell it here but ill give it one more chance. $250 shipped to you